ES2026275T3 - DEVICE TO DETERMINE THE FLATNESS OF A BODY IN THE FORM OF A PLATE. - Google Patents

DEVICE TO DETERMINE THE FLATNESS OF A BODY IN THE FORM OF A PLATE.

Info

Publication number
ES2026275T3
ES2026275T3 ES198888810746T ES88810746T ES2026275T3 ES 2026275 T3 ES2026275 T3 ES 2026275T3 ES 198888810746 T ES198888810746 T ES 198888810746T ES 88810746 T ES88810746 T ES 88810746T ES 2026275 T3 ES2026275 T3 ES 2026275T3
Authority
ES
Spain
Prior art keywords
planar object
flatness
carrier supports
carrier
way
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES198888810746T
Other languages
Spanish (es)
Inventor
Paul Kubler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3A Composites International AG
Original Assignee
Alusuisse Lonza Services Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alusuisse Lonza Services Ltd filed Critical Alusuisse Lonza Services Ltd
Application granted granted Critical
Publication of ES2026275T3 publication Critical patent/ES2026275T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • G01B7/287—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
    • G01B5/207—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers

Abstract

The apparatus for determining the flatness of a planar object (6) consists of a multiplicity of regularly arranged, vertically movable carrier supports (5, 5a) which bear against the planar object (6) via an essentially point-like seating in each case, the carrier supports (5, 5a) being connected to one another mechanically, hydraulically or pneumatically in such a way that each carrier support (5, 5a) transmits essentially the same force onto the planar object (6). A simple mechanical apparatus comprises a system of beams (1, 2, 3, 4) which are suspended in equilibrium in the manner of beam-type scales and arranged at right angles to one another, each beam end simultaneously forming a fulcrum for the following beam, which abuts perpendicularly, and the carrier supports (5), which are directed vertically upwards, being fixed to the free beam ends. The apparatus counteracts warping of the planar object (6) as a consequence of its own weight, so that the effective flatness can be determined in a simple way. <IMAGE>
ES198888810746T 1987-11-06 1988-11-03 DEVICE TO DETERMINE THE FLATNESS OF A BODY IN THE FORM OF A PLATE. Expired - Lifetime ES2026275T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH435087 1987-11-06

Publications (1)

Publication Number Publication Date
ES2026275T3 true ES2026275T3 (en) 1992-04-16

Family

ID=4274463

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888810746T Expired - Lifetime ES2026275T3 (en) 1987-11-06 1988-11-03 DEVICE TO DETERMINE THE FLATNESS OF A BODY IN THE FORM OF A PLATE.

Country Status (5)

Country Link
EP (1) EP0317502B1 (en)
AT (1) ATE67587T1 (en)
DE (1) DE3864983D1 (en)
ES (1) ES2026275T3 (en)
GR (1) GR3002748T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1280989B1 (en) * 1995-10-20 1998-02-11 Dea Spa CALIBER FOR DIMENSIONAL TESTING OF PIECES.
CN111561861A (en) * 2020-06-30 2020-08-21 张长勤 Building engineering ground flatness measuring device
CN114453988A (en) * 2022-01-19 2022-05-10 安徽强龙工业有限公司 Intelligent plane grinder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756176A (en) * 1969-09-17 1971-03-15 Ppg Industries Inc PROCESS AND APPARATUS FOR DETERMINING THE PROFILE OF OBJECTS, OF GLASS OBJECTS IN PARTICULAR
DE2434603A1 (en) * 1974-07-18 1976-01-29 Waldmann Geb Sirp Hiltraud Dimensions and shape accuracy testing device - designed for ceramic plate-shaped objects
US4221053A (en) * 1978-11-13 1980-09-09 Libbey-Owens-Ford Company Inspection apparatus
DE3121579C2 (en) * 1981-05-30 1983-07-14 Daimler-Benz Ag, 7000 Stuttgart Probe for measuring gauges measuring in three spatial directions
EP0125330A1 (en) * 1983-05-16 1984-11-21 The Boeing Company Skin contour inspection system

Also Published As

Publication number Publication date
EP0317502A1 (en) 1989-05-24
DE3864983D1 (en) 1991-10-24
EP0317502B1 (en) 1991-09-18
ATE67587T1 (en) 1991-10-15
GR3002748T3 (en) 1993-01-25

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